13947464 has 8 divisors (see below), whose sum is σ = 26151510. Its totient is φ = 6973728.

The previous prime is 13947449. The next prime is 13947473. The reversal of 13947464 is 46474931.

It can be written as a sum of positive squares in only one way, i.e., 10176100 + 3771364 = 3190^2 + 1942^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871709 + ... + 871724.

Almost surely, 2^13947464 is an apocalyptic number.

It is an amenable number.

13947464 is a deficient number, since it is larger than the sum of its proper divisors (12204046).

13947464 is a wasteful number, since it uses less digits than its factorization.

13947464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743439 (or 1743435 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 13947464 is about 3734.6303699295. The cubic root of 13947464 is about 240.7123741614.

The spelling of 13947464 in words is "thirteen million, nine hundred forty-seven thousand, four hundred sixty-four".